| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 2 |
2.9%
|
| 1 | 1-2 indicators | 18 |
25.7%
|
| 2 | 3-9 indicators | 34 |
48.6%
|
| 3 | 10 or more indicators | 16 |
22.9%
|
| Sysmiss | 170 |